From 1909de2e843f1dfd5e031d3d4aa6901a5b9a139d Mon Sep 17 00:00:00 2001 From: RincewindsHat <12514511+RincewindsHat@users.noreply.github.com> Date: Wed, 14 Sep 2022 12:50:23 +0200 Subject: Add Gnulib module "crypto/sha256" and remote "crypto/sha1" --- gl/Makefile.am | 16 +- gl/m4/gnulib-cache.m4 | 4 +- gl/m4/gnulib-common.m4 | 3 +- gl/m4/gnulib-comp.m4 | 14 +- gl/m4/sha1.m4 | 14 -- gl/m4/sha256.m4 | 14 ++ gl/math.in.h | 2 +- gl/sha1-stream.c | 129 --------------- gl/sha1.c | 361 ----------------------------------------- gl/sha1.h | 115 ------------- gl/sha256-stream.c | 145 +++++++++++++++++ gl/sha256.c | 433 +++++++++++++++++++++++++++++++++++++++++++++++++ gl/sha256.h | 121 ++++++++++++++ gl/stdbool.in.h | 12 +- gl/stdlib.in.h | 6 +- gl/sys/stat.h | 76 ++++----- gl/sys_stat.in.h | 76 ++++----- gl/unistd.in.h | 2 + 18 files changed, 824 insertions(+), 719 deletions(-) delete mode 100644 gl/m4/sha1.m4 create mode 100644 gl/m4/sha256.m4 delete mode 100644 gl/sha1-stream.c delete mode 100644 gl/sha1.c delete mode 100644 gl/sha1.h create mode 100644 gl/sha256-stream.c create mode 100644 gl/sha256.c create mode 100644 gl/sha256.h diff --git a/gl/Makefile.am b/gl/Makefile.am index deb665cf..d0acf414 100644 --- a/gl/Makefile.am +++ b/gl/Makefile.am @@ -34,7 +34,7 @@ # --macro-prefix=gl \ # --no-vc-files \ # base64 \ -# crypto/sha1 \ +# crypto/sha256 \ # dirname \ # environ \ # floorf \ @@ -241,19 +241,19 @@ EXTRA_DIST += af_alg.h sys-limits.h ## end gnulib module crypto/af_alg -## begin gnulib module crypto/sha1 +## begin gnulib module crypto/sha256 -libgnu_a_SOURCES += sha1-stream.c +libgnu_a_SOURCES += sha256-stream.c -## end gnulib module crypto/sha1 +## end gnulib module crypto/sha256 -## begin gnulib module crypto/sha1-buffer +## begin gnulib module crypto/sha256-buffer -libgnu_a_SOURCES += sha1.c +libgnu_a_SOURCES += sha256.c -EXTRA_DIST += gl_openssl.h sha1.h +EXTRA_DIST += gl_openssl.h sha256.h -## end gnulib module crypto/sha1-buffer +## end gnulib module crypto/sha256-buffer ## begin gnulib module dirname diff --git a/gl/m4/gnulib-cache.m4 b/gl/m4/gnulib-cache.m4 index 9d0128a0..06fed91a 100644 --- a/gl/m4/gnulib-cache.m4 +++ b/gl/m4/gnulib-cache.m4 @@ -39,7 +39,7 @@ # --macro-prefix=gl \ # --no-vc-files \ # base64 \ -# crypto/sha1 \ +# crypto/sha256 \ # dirname \ # environ \ # floorf \ @@ -65,7 +65,7 @@ gl_LOCAL_DIR([]) gl_MODULES([ base64 - crypto/sha1 + crypto/sha256 dirname environ floorf diff --git a/gl/m4/gnulib-common.m4 b/gl/m4/gnulib-common.m4 index 30911d15..8a5daa23 100644 --- a/gl/m4/gnulib-common.m4 +++ b/gl/m4/gnulib-common.m4 @@ -313,7 +313,8 @@ AC_DEFUN([gl_COMMON_BODY], [ #else # define _GL_ATTRIBUTE_MAYBE_UNUSED _GL_ATTRIBUTE_UNUSED #endif -/* Alternative spelling of this macro, for convenience. */ +/* Alternative spelling of this macro, for convenience and for + compatibility with glibc/include/libc-symbols.h. */ #define _GL_UNUSED _GL_ATTRIBUTE_MAYBE_UNUSED /* Earlier spellings of this macro. */ #define _UNUSED_PARAMETER_ _GL_ATTRIBUTE_MAYBE_UNUSED diff --git a/gl/m4/gnulib-comp.m4 b/gl/m4/gnulib-comp.m4 index a82c5de2..93b78841 100644 --- a/gl/m4/gnulib-comp.m4 +++ b/gl/m4/gnulib-comp.m4 @@ -57,8 +57,8 @@ AC_DEFUN([gl_EARLY], # Code from module cloexec: # Code from module close: # Code from module crypto/af_alg: - # Code from module crypto/sha1: - # Code from module crypto/sha1-buffer: + # Code from module crypto/sha256: + # Code from module crypto/sha256-buffer: # Code from module dirname: # Code from module dirname-lgpl: # Code from module double-slash-root: @@ -265,7 +265,7 @@ AC_DEFUN([gl_INIT], gl_UNISTD_MODULE_INDICATOR([close]) gl_AF_ALG AC_REQUIRE([AC_C_RESTRICT]) - gl_SHA1 + gl_SHA256 gl_MODULE_INDICATOR([dirname]) gl_DOUBLE_SLASH_ROOT gl_FUNC_DUP2 @@ -1130,9 +1130,9 @@ AC_DEFUN([gl_FILE_LIST], [ lib/setlocale-lock.c lib/setlocale_null.c lib/setlocale_null.h - lib/sha1-stream.c - lib/sha1.c - lib/sha1.h + lib/sha256-stream.c + lib/sha256.c + lib/sha256.h lib/size_max.h lib/snprintf.c lib/sockets.c @@ -1316,7 +1316,7 @@ AC_DEFUN([gl_FILE_LIST], [ m4/servent.m4 m4/setenv.m4 m4/setlocale_null.m4 - m4/sha1.m4 + m4/sha256.m4 m4/size_max.m4 m4/snprintf.m4 m4/socketlib.m4 diff --git a/gl/m4/sha1.m4 b/gl/m4/sha1.m4 deleted file mode 100644 index 0d7abc72..00000000 --- a/gl/m4/sha1.m4 +++ /dev/null @@ -1,14 +0,0 @@ -# sha1.m4 serial 12 -dnl Copyright (C) 2002-2006, 2008-2022 Free Software Foundation, Inc. -dnl This file is free software; the Free Software Foundation -dnl gives unlimited permission to copy and/or distribute it, -dnl with or without modifications, as long as this notice is preserved. - -AC_DEFUN([gl_SHA1], -[ - dnl Prerequisites of lib/sha1.c. - AC_REQUIRE([gl_BIGENDIAN]) - - dnl Determine HAVE_OPENSSL_SHA1 and LIB_CRYPTO - gl_CRYPTO_CHECK([SHA1]) -]) diff --git a/gl/m4/sha256.m4 b/gl/m4/sha256.m4 new file mode 100644 index 00000000..b3d8f92e --- /dev/null +++ b/gl/m4/sha256.m4 @@ -0,0 +1,14 @@ +# sha256.m4 serial 8 +dnl Copyright (C) 2005, 2008-2022 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_SHA256], +[ + dnl Prerequisites of lib/sha256.c. + AC_REQUIRE([gl_BIGENDIAN]) + + dnl Determine HAVE_OPENSSL_SHA256 and LIB_CRYPTO + gl_CRYPTO_CHECK([SHA256]) +]) diff --git a/gl/math.in.h b/gl/math.in.h index a74a95da..270e71f4 100644 --- a/gl/math.in.h +++ b/gl/math.in.h @@ -2591,7 +2591,7 @@ _GL_EXTERN_C int rpl_isnanl (long double x) _GL_ATTRIBUTE_CONST; # if defined isnan || defined GNULIB_NAMESPACE _GL_MATH_CXX_REAL_FLOATING_DECL_1 (isnan) # undef isnan -# if __GNUC__ >= 6 || (defined __clang__ && !((defined __APPLE__ && defined __MACH__ && __clang_major__ < 12) || (defined __FreeBSD__ && __clang_major__ < 7) || defined __OpenBSD__ || (defined _WIN32 && !defined __CYGWIN__))) +# if __GNUC__ >= 6 || (defined __clang__ && !((defined __APPLE__ && defined __MACH__ && __clang_major__ < 12) || (defined __FreeBSD__ && (__clang_major__ < 7 || __clang_major__ >= 11)) || defined __OpenBSD__ || (defined _WIN32 && !defined __CYGWIN__))) /* This platform's possibly defines isnan through a set of inline functions. */ _GL_MATH_CXX_REAL_FLOATING_DECL_2 (isnan, rpl_isnan, bool) diff --git a/gl/sha1-stream.c b/gl/sha1-stream.c deleted file mode 100644 index 0ba04352..00000000 --- a/gl/sha1-stream.c +++ /dev/null @@ -1,129 +0,0 @@ -/* sha1.c - Functions to compute SHA1 message digest of files or - memory blocks according to the NIST specification FIPS-180-1. - - Copyright (C) 2000-2001, 2003-2006, 2008-2022 Free Software Foundation, Inc. - - This file is free software: you can redistribute it and/or modify - it under the terms of the GNU Lesser General Public License as - published by the Free Software Foundation; either version 2.1 of the - License, or (at your option) any later version. - - This file is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with this program. If not, see . */ - -/* Written by Scott G. Miller - Credits: - Robert Klep -- Expansion function fix -*/ - -#include - -/* Specification. */ -#if HAVE_OPENSSL_SHA1 -# define GL_OPENSSL_INLINE _GL_EXTERN_INLINE -#endif -#include "sha1.h" - -#include - -#if USE_UNLOCKED_IO -# include "unlocked-io.h" -#endif - -#include "af_alg.h" - -#define BLOCKSIZE 32768 -#if BLOCKSIZE % 64 != 0 -# error "invalid BLOCKSIZE" -#endif - -/* Compute SHA1 message digest for bytes read from STREAM. The - resulting message digest number will be written into the 20 bytes - beginning at RESBLOCK. */ -int -sha1_stream (FILE *stream, void *resblock) -{ - switch (afalg_stream (stream, "sha1", resblock, SHA1_DIGEST_SIZE)) - { - case 0: return 0; - case -EIO: return 1; - } - - char *buffer = malloc (BLOCKSIZE + 72); - if (!buffer) - return 1; - - struct sha1_ctx ctx; - sha1_init_ctx (&ctx); - size_t sum; - - /* Iterate over full file contents. */ - while (1) - { - /* We read the file in blocks of BLOCKSIZE bytes. One call of the - computation function processes the whole buffer so that with the - next round of the loop another block can be read. */ - size_t n; - sum = 0; - - /* Read block. Take care for partial reads. */ - while (1) - { - /* Either process a partial fread() from this loop, - or the fread() in afalg_stream may have gotten EOF. - We need to avoid a subsequent fread() as EOF may - not be sticky. For details of such systems, see: - https://sourceware.org/bugzilla/show_bug.cgi?id=1190 */ - if (feof (stream)) - goto process_partial_block; - - n = fread (buffer + sum, 1, BLOCKSIZE - sum, stream); - - sum += n; - - if (sum == BLOCKSIZE) - break; - - if (n == 0) - { - /* Check for the error flag IFF N == 0, so that we don't - exit the loop after a partial read due to e.g., EAGAIN - or EWOULDBLOCK. */ - if (ferror (stream)) - { - free (buffer); - return 1; - } - goto process_partial_block; - } - } - - /* Process buffer with BLOCKSIZE bytes. Note that - BLOCKSIZE % 64 == 0 - */ - sha1_process_block (buffer, BLOCKSIZE, &ctx); - } - - process_partial_block:; - - /* Process any remaining bytes. */ - if (sum > 0) - sha1_process_bytes (buffer, sum, &ctx); - - /* Construct result in desired memory. */ - sha1_finish_ctx (&ctx, resblock); - free (buffer); - return 0; -} - -/* - * Hey Emacs! - * Local Variables: - * coding: utf-8 - * End: - */ diff --git a/gl/sha1.c b/gl/sha1.c deleted file mode 100644 index 79e50ba0..00000000 --- a/gl/sha1.c +++ /dev/null @@ -1,361 +0,0 @@ -/* sha1.c - Functions to compute SHA1 message digest of files or - memory blocks according to the NIST specification FIPS-180-1. - - Copyright (C) 2000-2001, 2003-2006, 2008-2022 Free Software Foundation, Inc. - - This file is free software: you can redistribute it and/or modify - it under the terms of the GNU Lesser General Public License as - published by the Free Software Foundation; either version 2.1 of the - License, or (at your option) any later version. - - This file is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with this program. If not, see . */ - -/* Written by Scott G. Miller - Credits: - Robert Klep -- Expansion function fix -*/ - -#include - -/* Specification. */ -#if HAVE_OPENSSL_SHA1 -# define GL_OPENSSL_INLINE _GL_EXTERN_INLINE -#endif -#include "sha1.h" - -#include -#include -#include - -#include -#ifdef WORDS_BIGENDIAN -# define SWAP(n) (n) -#else -# define SWAP(n) bswap_32 (n) -#endif - -#if ! HAVE_OPENSSL_SHA1 - -/* This array contains the bytes used to pad the buffer to the next - 64-byte boundary. (RFC 1321, 3.1: Step 1) */ -static const unsigned char fillbuf[64] = { 0x80, 0 /* , 0, 0, ... */ }; - - -/* Take a pointer to a 160 bit block of data (five 32 bit ints) and - initialize it to the start constants of the SHA1 algorithm. This - must be called before using hash in the call to sha1_hash. */ -void -sha1_init_ctx (struct sha1_ctx *ctx) -{ - ctx->A = 0x67452301; - ctx->B = 0xefcdab89; - ctx->C = 0x98badcfe; - ctx->D = 0x10325476; - ctx->E = 0xc3d2e1f0; - - ctx->total[0] = ctx->total[1] = 0; - ctx->buflen = 0; -} - -/* Copy the 4 byte value from v into the memory location pointed to by *cp, - If your architecture allows unaligned access this is equivalent to - * (uint32_t *) cp = v */ -static void -set_uint32 (char *cp, uint32_t v) -{ - memcpy (cp, &v, sizeof v); -} - -/* Put result from CTX in first 20 bytes following RESBUF. The result - must be in little endian byte order. */ -void * -sha1_read_ctx (const struct sha1_ctx *ctx, void *resbuf) -{ - char *r = resbuf; - set_uint32 (r + 0 * sizeof ctx->A, SWAP (ctx->A)); - set_uint32 (r + 1 * sizeof ctx->B, SWAP (ctx->B)); - set_uint32 (r + 2 * sizeof ctx->C, SWAP (ctx->C)); - set_uint32 (r + 3 * sizeof ctx->D, SWAP (ctx->D)); - set_uint32 (r + 4 * sizeof ctx->E, SWAP (ctx->E)); - - return resbuf; -} - -/* Process the remaining bytes in the internal buffer and the usual - prolog according to the standard and write the result to RESBUF. */ -void * -sha1_finish_ctx (struct sha1_ctx *ctx, void *resbuf) -{ - /* Take yet unprocessed bytes into account. */ - uint32_t bytes = ctx->buflen; - size_t size = (bytes < 56) ? 64 / 4 : 64 * 2 / 4; - - /* Now count remaining bytes. */ - ctx->total[0] += bytes; - if (ctx->total[0] < bytes) - ++ctx->total[1]; - - /* Put the 64-bit file length in *bits* at the end of the buffer. */ - ctx->buffer[size - 2] = SWAP ((ctx->total[1] << 3) | (ctx->total[0] >> 29)); - ctx->buffer[size - 1] = SWAP (ctx->total[0] << 3); - - memcpy (&((char *) ctx->buffer)[bytes], fillbuf, (size - 2) * 4 - bytes); - - /* Process last bytes. */ - sha1_process_block (ctx->buffer, size * 4, ctx); - - return sha1_read_ctx (ctx, resbuf); -} - -/* Compute SHA1 message digest for LEN bytes beginning at BUFFER. The - result is always in little endian byte order, so that a byte-wise - output yields to the wanted ASCII representation of the message - digest. */ -void * -sha1_buffer (const char *buffer, size_t len, void *resblock) -{ - struct sha1_ctx ctx; - - /* Initialize the computation context. */ - sha1_init_ctx (&ctx); - - /* Process whole buffer but last len % 64 bytes. */ - sha1_process_bytes (buffer, len, &ctx); - - /* Put result in desired memory area. */ - return sha1_finish_ctx (&ctx, resblock); -} - -void -sha1_process_bytes (const void *buffer, size_t len, struct sha1_ctx *ctx) -{ - /* When we already have some bits in our internal buffer concatenate - both inputs first. */ - if (ctx->buflen != 0) - { - size_t left_over = ctx->buflen; - size_t add = 128 - left_over > len ? len : 128 - left_over; - - memcpy (&((char *) ctx->buffer)[left_over], buffer, add); - ctx->buflen += add; - - if (ctx->buflen > 64) - { - sha1_process_block (ctx->buffer, ctx->buflen & ~63, ctx); - - ctx->buflen &= 63; - /* The regions in the following copy operation cannot overlap, - because ctx->buflen < 64 ≤ (left_over + add) & ~63. */ - memcpy (ctx->buffer, - &((char *) ctx->buffer)[(left_over + add) & ~63], - ctx->buflen); - } - - buffer = (const char *) buffer + add; - len -= add; - } - - /* Process available complete blocks. */ - if (len >= 64) - { -#if !(_STRING_ARCH_unaligned || _STRING_INLINE_unaligned) -# define UNALIGNED_P(p) ((uintptr_t) (p) % alignof (uint32_t) != 0) - if (UNALIGNED_P (buffer)) - while (len > 64) - { - sha1_process_block (memcpy (ctx->buffer, buffer, 64), 64, ctx); - buffer = (const char *) buffer + 64; - len -= 64; - } - else -#endif - { - sha1_process_block (buffer, len & ~63, ctx); - buffer = (const char *) buffer + (len & ~63); - len &= 63; - } - } - - /* Move remaining bytes in internal buffer. */ - if (len > 0) - { - size_t left_over = ctx->buflen; - - memcpy (&((char *) ctx->buffer)[left_over], buffer, len); - left_over += len; - if (left_over >= 64) - { - sha1_process_block (ctx->buffer, 64, ctx); - left_over -= 64; - /* The regions in the following copy operation cannot overlap, - because left_over ≤ 64. */ - memcpy (ctx->buffer, &ctx->buffer[16], left_over); - } - ctx->buflen = left_over; - } -} - -/* --- Code below is the primary difference between md5.c and sha1.c --- */ - -/* SHA1 round constants */ -#define K1 0x5a827999 -#define K2 0x6ed9eba1 -#define K3 0x8f1bbcdc -#define K4 0xca62c1d6 - -/* Round functions. Note that F2 is the same as F4. */ -#define F1(B,C,D) ( D ^ ( B & ( C ^ D ) ) ) -#define F2(B,C,D) (B ^ C ^ D) -#define F3(B,C,D) ( ( B & C ) | ( D & ( B | C ) ) ) -#define F4(B,C,D) (B ^ C ^ D) - -/* Process LEN bytes of BUFFER, accumulating context into CTX. - It is assumed that LEN % 64 == 0. - Most of this code comes from GnuPG's cipher/sha1.c. */ - -void -sha1_process_block (const void *buffer, size_t len, struct sha1_ctx *ctx) -{ - const uint32_t *words = buffer; - size_t nwords = len / sizeof (uint32_t); - const uint32_t *endp = words + nwords; - uint32_t x[16]; - uint32_t a = ctx->A; - uint32_t b = ctx->B; - uint32_t c = ctx->C; - uint32_t d = ctx->D; - uint32_t e = ctx->E; - uint32_t lolen = len; - - /* First increment the byte count. RFC 1321 specifies the possible - length of the file up to 2^64 bits. Here we only compute the - number of bytes. Do a double word increment. */ - ctx->total[0] += lolen; - ctx->total[1] += (len >> 31 >> 1) + (ctx->total[0] < lolen); - -#define rol(x, n) (((x) << (n)) | ((uint32_t) (x) >> (32 - (n)))) - -#define M(I) ( tm = x[I&0x0f] ^ x[(I-14)&0x0f] \ - ^ x[(I-8)&0x0f] ^ x[(I-3)&0x0f] \ - , (x[I&0x0f] = rol(tm, 1)) ) - -#define R(A,B,C,D,E,F,K,M) do { E += rol( A, 5 ) \ - + F( B, C, D ) \ - + K \ - + M; \ - B = rol( B, 30 ); \ - } while(0) - - while (words < endp) - { - uint32_t tm; - int t; - for (t = 0; t < 16; t++) - { - x[t] = SWAP (*words); - words++; - } - - R( a, b, c, d, e, F1, K1, x[ 0] ); - R( e, a, b, c, d, F1, K1, x[ 1] ); - R( d, e, a, b, c, F1, K1, x[ 2] ); - R( c, d, e, a, b, F1, K1, x[ 3] ); - R( b, c, d, e, a, F1, K1, x[ 4] ); - R( a, b, c, d, e, F1, K1, x[ 5] ); - R( e, a, b, c, d, F1, K1, x[ 6] ); - R( d, e, a, b, c, F1, K1, x[ 7] ); - R( c, d, e, a, b, F1, K1, x[ 8] ); - R( b, c, d, e, a, F1, K1, x[ 9] ); - R( a, b, c, d, e, F1, K1, x[10] ); - R( e, a, b, c, d, F1, K1, x[11] ); - R( d, e, a, b, c, F1, K1, x[12] ); - R( c, d, e, a, b, F1, K1, x[13] ); - R( b, c, d, e, a, F1, K1, x[14] ); - R( a, b, c, d, e, F1, K1, x[15] ); - R( e, a, b, c, d, F1, K1, M(16) ); - R( d, e, a, b, c, F1, K1, M(17) ); - R( c, d, e, a, b, F1, K1, M(18) ); - R( b, c, d, e, a, F1, K1, M(19) ); - R( a, b, c, d, e, F2, K2, M(20) ); - R( e, a, b, c, d, F2, K2, M(21) ); - R( d, e, a, b, c, F2, K2, M(22) ); - R( c, d, e, a, b, F2, K2, M(23) ); - R( b, c, d, e, a, F2, K2, M(24) ); - R( a, b, c, d, e, F2, K2, M(25) ); - R( e, a, b, c, d, F2, K2, M(26) ); - R( d, e, a, b, c, F2, K2, M(27) ); - R( c, d, e, a, b, F2, K2, M(28) ); - R( b, c, d, e, a, F2, K2, M(29) ); - R( a, b, c, d, e, F2, K2, M(30) ); - R( e, a, b, c, d, F2, K2, M(31) ); - R( d, e, a, b, c, F2, K2, M(32) ); - R( c, d, e, a, b, F2, K2, M(33) ); - R( b, c, d, e, a, F2, K2, M(34) ); - R( a, b, c, d, e, F2, K2, M(35) ); - R( e, a, b, c, d, F2, K2, M(36) ); - R( d, e, a, b, c, F2, K2, M(37) ); - R( c, d, e, a, b, F2, K2, M(38) ); - R( b, c, d, e, a, F2, K2, M(39) ); - R( a, b, c, d, e, F3, K3, M(40) ); - R( e, a, b, c, d, F3, K3, M(41) ); - R( d, e, a, b, c, F3, K3, M(42) ); - R( c, d, e, a, b, F3, K3, M(43) ); - R( b, c, d, e, a, F3, K3, M(44) ); - R( a, b, c, d, e, F3, K3, M(45) ); - R( e, a, b, c, d, F3, K3, M(46) ); - R( d, e, a, b, c, F3, K3, M(47) ); - R( c, d, e, a, b, F3, K3, M(48) ); - R( b, c, d, e, a, F3, K3, M(49) ); - R( a, b, c, d, e, F3, K3, M(50) ); - R( e, a, b, c, d, F3, K3, M(51) ); - R( d, e, a, b, c, F3, K3, M(52) ); - R( c, d, e, a, b, F3, K3, M(53) ); - R( b, c, d, e, a, F3, K3, M(54) ); - R( a, b, c, d, e, F3, K3, M(55) ); - R( e, a, b, c, d, F3, K3, M(56) ); - R( d, e, a, b, c, F3, K3, M(57) ); - R( c, d, e, a, b, F3, K3, M(58) ); - R( b, c, d, e, a, F3, K3, M(59) ); - R( a, b, c, d, e, F4, K4, M(60) ); - R( e, a, b, c, d, F4, K4, M(61) ); - R( d, e, a, b, c, F4, K4, M(62) ); - R( c, d, e, a, b, F4, K4, M(63) ); - R( b, c, d, e, a, F4, K4, M(64) ); - R( a, b, c, d, e, F4, K4, M(65) ); - R( e, a, b, c, d, F4, K4, M(66) ); - R( d, e, a, b, c, F4, K4, M(67) ); - R( c, d, e, a, b, F4, K4, M(68) ); - R( b, c, d, e, a, F4, K4, M(69) ); - R( a, b, c, d, e, F4, K4, M(70) ); - R( e, a, b, c, d, F4, K4, M(71) ); - R( d, e, a, b, c, F4, K4, M(72) ); - R( c, d, e, a, b, F4, K4, M(73) ); - R( b, c, d, e, a, F4, K4, M(74) ); - R( a, b, c, d, e, F4, K4, M(75) ); - R( e, a, b, c, d, F4, K4, M(76) ); - R( d, e, a, b, c, F4, K4, M(77) ); - R( c, d, e, a, b, F4, K4, M(78) ); - R( b, c, d, e, a, F4, K4, M(79) ); - - a = ctx->A += a; - b = ctx->B += b; - c = ctx->C += c; - d = ctx->D += d; - e = ctx->E += e; - } -} - -#endif - -/* - * Hey Emacs! - * Local Variables: - * coding: utf-8 - * End: - */ diff --git a/gl/sha1.h b/gl/sha1.h deleted file mode 100644 index bc3470a5..00000000 --- a/gl/sha1.h +++ /dev/null @@ -1,115 +0,0 @@ -/* Declarations of functions and data types used for SHA1 sum - library functions. - Copyright (C) 2000-2001, 2003, 2005-2006, 2008-2022 Free Software - Foundation, Inc. - - This file is free software: you can redistribute it and/or modify - it under the terms of the GNU Lesser General Public License as - published by the Free Software Foundation; either version 2.1 of the - License, or (at your option) any later version. - - This file is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with this program. If not, see . */ - -#ifndef SHA1_H -# define SHA1_H 1 - -# include -# include - -# if HAVE_OPENSSL_SHA1 -# ifndef OPENSSL_API_COMPAT -# define OPENSSL_API_COMPAT 0x10101000L /* FIXME: Use OpenSSL 1.1+ API. */ -# endif -# include -# endif - -# ifdef __cplusplus -extern "C" { -# endif - -# define SHA1_DIGEST_SIZE 20 - -# if HAVE_OPENSSL_SHA1 -# define GL_OPENSSL_NAME 1 -# include "gl_openssl.h" -# else -/* Structure to save state of computation between the single steps. */ -struct sha1_ctx -{ - uint32_t A; - uint32_t B; - uint32_t C; - uint32_t D; - uint32_t E; - - uint32_t total[2]; - uint32_t buflen; /* ≥ 0, ≤ 128 */ - uint32_t buffer[32]; /* 128 bytes; the first buflen bytes are in use */ -}; - -/* Initialize structure containing state of computation. */ -extern void sha1_init_ctx (struct sha1_ctx *ctx); - -/* Starting with the result of former calls of this function (or the - initialization function update the context for the next LEN bytes - starting at BUFFER. - It is necessary that LEN is a multiple of 64!!! */ -extern void sha1_process_block (const void *buffer, size_t len, - struct sha1_ctx *ctx); - -/* Starting with the result of former calls of this function (or the - initialization function update the context for the next LEN bytes - starting at BUFFER. - It is NOT required that LEN is a multiple of 64. */ -extern void sha1_process_bytes (const void *buffer, size_t len, - struct sha1_ctx *ctx); - -/* Process the remaining bytes in the buffer and put result from CTX - in first 20 bytes following RESBUF. The result is always in little - endian byte order, so that a byte-wise output yields to the wanted - ASCII representation of the message digest. */ -extern void *sha1_finish_ctx (struct sha1_ctx *ctx, void *restrict resbuf); - - -/* Put result from CTX in first 20 bytes following RESBUF. The result is - always in little endian byte order, so that a byte-wise output yields - to the wanted ASCII representation of the message digest. */ -extern void *sha1_read_ctx (const struct sha1_ctx *ctx, void *restrict resbuf); - - -/* Compute SHA1 message digest for LEN bytes beginning at BUFFER. The - result is always in little endian byte order, so that a byte-wise - output yields to the wanted ASCII representation of the message - digest. */ -extern void *sha1_buffer (const char *buffer, size_t len, - void *restrict resblock); - -# endif - -/* Compute SHA1 message digest for bytes read from STREAM. - STREAM is an open file stream. Regular files are handled more efficiently. - The contents of STREAM from its current position to its end will be read. - The case that the last operation on STREAM was an 'ungetc' is not supported. - The resulting message digest number will be written into the 20 bytes - beginning at RESBLOCK. */ -extern int sha1_stream (FILE *stream, void *resblock); - - -# ifdef __cplusplus -} -# endif - -#endif - -/* - * Hey Emacs! - * Local Variables: - * coding: utf-8 - * End: - */ diff --git a/gl/sha256-stream.c b/gl/sha256-stream.c new file mode 100644 index 00000000..c2e63989 --- /dev/null +++ b/gl/sha256-stream.c @@ -0,0 +1,145 @@ +/* sha256.c - Functions to compute SHA256 and SHA224 message digest of files or + memory blocks according to the NIST specification FIPS-180-2. + + Copyright (C) 2005-2006, 2008-2022 Free Software Foundation, Inc. + + This file is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. + + This file is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program. If not, see . */ + +/* Written by David Madore, considerably copypasting from + Scott G. Miller's sha1.c +*/ + +#include + +/* Specification. */ +#if HAVE_OPENSSL_SHA256 +# define GL_OPENSSL_INLINE _GL_EXTERN_INLINE +#endif +#include "sha256.h" + +#include + +#if USE_UNLOCKED_IO +# include "unlocked-io.h" +#endif + +#include "af_alg.h" + +#define BLOCKSIZE 32768 +#if BLOCKSIZE % 64 != 0 +# error "invalid BLOCKSIZE" +#endif + +/* Compute message digest for bytes read from STREAM using algorithm ALG. + Write the message digest into RESBLOCK, which contains HASHLEN bytes. + The initial and finishing operations are INIT_CTX and FINISH_CTX. + Return zero if and only if successful. */ +static int +shaxxx_stream (FILE *stream, char const *alg, void *resblock, + ssize_t hashlen, void (*init_ctx) (struct sha256_ctx *), + void *(*finish_ctx) (struct sha256_ctx *, void *)) +{ + switch (afalg_stream (stream, alg, resblock, hashlen)) + { + case 0: return 0; + case -EIO: return 1; + } + + char *buffer = malloc (BLOCKSIZE + 72); + if (!buffer) + return 1; + + struct sha256_ctx ctx; + init_ctx (&ctx); + size_t sum; + + /* Iterate over full file contents. */ + while (1) + { + /* We read the file in blocks of BLOCKSIZE bytes. One call of the + computation function processes the whole buffer so that with the + next round of the loop another block can be read. */ + size_t n; + sum = 0; + + /* Read block. Take care for partial reads. */ + while (1) + { + /* Either process a partial fread() from this loop, + or the fread() in afalg_stream may have gotten EOF. + We need to avoid a subsequent fread() as EOF may + not be sticky. For details of such systems, see: + https://sourceware.org/bugzilla/show_bug.cgi?id=1190 */ + if (feof (stream)) + goto process_partial_block; + + n = fread (buffer + sum, 1, BLOCKSIZE - sum, stream); + + sum += n; + + if (sum == BLOCKSIZE) + break; + + if (n == 0) + { + /* Check for the error flag IFF N == 0, so that we don't + exit the loop after a partial read due to e.g., EAGAIN + or EWOULDBLOCK. */ + if (ferror (stream)) + { + free (buffer); + return 1; + } + goto process_partial_block; + } + } + + /* Process buffer with BLOCKSIZE bytes. Note that + BLOCKSIZE % 64 == 0 + */ + sha256_process_block (buffer, BLOCKSIZE, &ctx); + } + + process_partial_block:; + + /* Process any remaining bytes. */ + if (sum > 0) + sha256_process_bytes (buffer, sum, &ctx); + + /* Construct result in desired memory. */ + finish_ctx (&ctx, resblock); + free (buffer); + return 0; +} + +int +sha256_stream (FILE *stream, void *resblock) +{ + return shaxxx_stream (stream, "sha256", resblock, SHA256_DIGEST_SIZE, + sha256_init_ctx, sha256_finish_ctx); +} + +int +sha224_stream (FILE *stream, void *resblock) +{ + return shaxxx_stream (stream, "sha224", resblock, SHA224_DIGEST_SIZE, + sha224_init_ctx, sha224_finish_ctx); +} + +/* + * Hey Emacs! + * Local Variables: + * coding: utf-8 + * End: + */ diff --git a/gl/sha256.c b/gl/sha256.c new file mode 100644 index 00000000..c9ca618c --- /dev/null +++ b/gl/sha256.c @@ -0,0 +1,433 @@ +/* sha256.c - Functions to compute SHA256 and SHA224 message digest of files or + memory blocks according to the NIST specification FIPS-180-2. + + Copyright (C) 2005-2006, 2008-2022 Free Software Foundation, Inc. + + This file is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. + + This file is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program. If not, see . */ + +/* Written by David Madore, considerably copypasting from + Scott G. Miller's sha1.c +*/ + +#include + +/* Specification. */ +#if HAVE_OPENSSL_SHA256 +# define GL_OPENSSL_INLINE _GL_EXTERN_INLINE +#endif +#include "sha256.h" + +#include +#include +#include + +#include +#ifdef WORDS_BIGENDIAN +# define SWAP(n) (n) +#else +# define SWAP(n) bswap_32 (n) +#endif + +#if ! HAVE_OPENSSL_SHA256 + +/* This array contains the bytes used to pad the buffer to the next + 64-byte boundary. */ +static const unsigned char fillbuf[64] = { 0x80, 0 /* , 0, 0, ... */ }; + + +/* + Takes a pointer to a 256 bit block of data (eight 32 bit ints) and + initializes it to the start constants of the SHA256 algorithm. This + must be called before using hash in the call to sha256_hash +*/ +void +sha256_init_ctx (struct sha256_ctx *ctx) +{ + ctx->state[0] = 0x6a09e667UL; + ctx->state[1] = 0xbb67ae85UL; + ctx->state[2] = 0x3c6ef372UL; + ctx->state[3] = 0xa54ff53aUL; + ctx->state[4] = 0x510e527fUL; + ctx->state[5] = 0x9b05688cUL; + ctx->state[6] = 0x1f83d9abUL; + ctx->state[7] = 0x5be0cd19UL; + + ctx->total[0] = ctx->total[1] = 0; + ctx->buflen = 0; +} + +void +sha224_init_ctx (struct sha256_ctx *ctx) +{ + ctx->state[0] = 0xc1059ed8UL; + ctx->state[1] = 0x367cd507UL; + ctx->state[2] = 0x3070dd17UL; + ctx->state[3] = 0xf70e5939UL; + ctx->state[4] = 0xffc00b31UL; + ctx->state[5] = 0x68581511UL; + ctx->state[6] = 0x64f98fa7UL; + ctx->state[7] = 0xbefa4fa4UL; + + ctx->total[0] = ctx->total[1] = 0; + ctx->buflen = 0; +} + +/* Copy the value from v into the memory location pointed to by *CP, + If your architecture allows unaligned access, this is equivalent to + * (__typeof__ (v) *) cp = v */ +static void +set_uint32 (char *cp, uint32_t v) +{ + memcpy (cp, &v, sizeof v); +} + +/* Put result from CTX in first 32 bytes following RESBUF. + The result must be in little endian byte order. */ +void * +sha256_read_ctx (const struct sha256_ctx *ctx, void *resbuf) +{ + int i; + char *r = resbuf; + + for (i = 0; i < 8; i++) + set_uint32 (r + i * sizeof ctx->state[0], SWAP (ctx->state[i])); + + return resbuf; +} + +void * +sha224_read_ctx (const struct sha256_ctx *ctx, void *resbuf) +{ + int i; + char *r = resbuf; + + for (i = 0; i < 7; i++) + set_uint32 (r + i * sizeof ctx->state[0], SWAP (ctx->state[i])); + + return resbuf; +} + +/* Process the remaining bytes in the internal buffer and the usual + prolog according to the standard and write the result to RESBUF. */ +static void +sha256_conclude_ctx (struct sha256_ctx *ctx) +{ + /* Take yet unprocessed bytes into account. */ + size_t bytes = ctx->buflen; + size_t size = (bytes < 56) ? 64 / 4 : 64 * 2 / 4; + + /* Now count remaining bytes. */ + ctx->total[0] += bytes; + if (ctx->total[0] < bytes) + ++ctx->total[1]; + + /* Put the 64-bit file length in *bits* at the end of the buffer. + Use set_uint32 rather than a simple assignment, to avoid risk of + unaligned access. */ + set_uint32 ((char *) &ctx->buffer[size - 2], + SWAP ((ctx->total[1] << 3) | (ctx->total[0] >> 29))); + set_uint32 ((char *) &ctx->buffer[size - 1], + SWAP (ctx->total[0] << 3)); + + memcpy (&((char *) ctx->buffer)[bytes], fillbuf, (size - 2) * 4 - bytes); + + /* Process last bytes. */ + sha256_process_block (ctx->buffer, size * 4, ctx); +} + +void * +sha256_finish_ctx (struct sha256_ctx *ctx, void *resbuf) +{ + sha256_conclude_ctx (ctx); + return sha256_read_ctx (ctx, resbuf); +} + +void * +sha224_finish_ctx (struct sha256_ctx *ctx, void *resbuf) +{ + sha256_conclude_ctx (ctx); + return sha224_read_ctx (ctx, resbuf); +} + +/* Compute SHA256 message digest for LEN bytes beginning at BUFFER. The + result is always in little endian byte order, so that a byte-wise + output yields to the wanted ASCII representation of the message + digest. */ +void * +sha256_buffer (const char *buffer, size_t len, void *resblock) +{ + struct sha256_ctx ctx; + + /* Initialize the computation context. */ + sha256_init_ctx (&ctx); + + /* Process whole buffer but last len % 64 bytes. */ + sha256_process_bytes (buffer, len, &ctx); + + /* Put result in desired memory area. */ + return sha256_finish_ctx (&ctx, resblock); +} + +void * +sha224_buffer (const char *buffer, size_t len, void *resblock) +{ + struct sha256_ctx ctx; + + /* Initialize the computation context. */ + sha224_init_ctx (&ctx); + + /* Process whole buffer but last len % 64 bytes. */ + sha256_process_bytes (buffer, len, &ctx); + + /* Put result in desired memory area. */ + return sha224_finish_ctx (&ctx, resblock); +} + +void +sha256_process_bytes (const void *buffer, size_t len, struct sha256_ctx *ctx) +{ + /* When we already have some bits in our internal buffer concatenate + both inputs first. */ + if (ctx->buflen != 0) + { + size_t left_over = ctx->buflen; + size_t add = 128 - left_over > len ? len : 128 - left_over; + + memcpy (&((char *) ctx->buffer)[left_over], buffer, add); + ctx->buflen += add; + + if (ctx->buflen > 64) + { + sha256_process_block (ctx->buffer, ctx->buflen & ~63, ctx); + + ctx->buflen &= 63; + /* The regions in the following copy operation cannot overlap, + because ctx->buflen < 64 ≤ (left_over + add) & ~63. */ + memcpy (ctx->buffer, + &((char *) ctx->buffer)[(left_over + add) & ~63], + ctx->buflen); + } + + buffer = (const char *) buffer + add; + len -= add; + } + + /* Process available complete blocks. */ + if (len >= 64) + { +#if !(_STRING_ARCH_unaligned || _STRING_INLINE_unaligned) +# define UNALIGNED_P(p) ((uintptr_t) (p) % alignof (uint32_t) != 0) + if (UNALIGNED_P (buffer)) + while (len > 64) + { + sha256_process_block (memcpy (ctx->buffer, buffer, 64), 64, ctx); + buffer = (const char *) buffer + 64; + len -= 64; + } + else +#endif + { + sha256_process_block (buffer, len & ~63, ctx); + buffer = (const char *) buffer + (len & ~63); + len &= 63; + } + } + + /* Move remaining bytes in internal buffer. */ + if (len > 0) + { + size_t left_over = ctx->buflen; + + memcpy (&((char *) ctx->buffer)[left_over], buffer, len); + left_over += len; + if (left_over >= 64) + { + sha256_process_block (ctx->buffer, 64, ctx); + left_over -= 64; + /* The regions in the following copy operation cannot overlap, + because left_over ≤ 64. */ + memcpy (ctx->buffer, &ctx->buffer[16], left_over); + } + ctx->buflen = left_over; + } +} + +/* --- Code below is the primary difference between sha1.c and sha256.c --- */ + +/* SHA256 round constants */ +#define K(I) sha256_round_constants[I] +static const uint32_t sha256_round_constants[64] = { + 0x428a2f98UL, 0x71374491UL, 0xb5c0fbcfUL, 0xe9b5dba5UL, + 0x3956c25bUL, 0x59f111f1UL, 0x923f82a4UL, 0xab1c5ed5UL, + 0xd807aa98UL, 0x12835b01UL, 0x243185beUL, 0x550c7dc3UL, + 0x72be5d74UL, 0x80deb1feUL, 0x9bdc06a7UL, 0xc19bf174UL, + 0xe49b69c1UL, 0xefbe4786UL, 0x0fc19dc6UL, 0x240ca1ccUL, + 0x2de92c6fUL, 0x4a7484aaUL, 0x5cb0a9dcUL, 0x76f988daUL, + 0x983e5152UL, 0xa831c66dUL, 0xb00327c8UL, 0xbf597fc7UL, + 0xc6e00bf3UL, 0xd5a79147UL, 0x06ca6351UL, 0x14292967UL, + 0x27b70a85UL, 0x2e1b2138UL, 0x4d2c6dfcUL, 0x53380d13UL, + 0x650a7354UL, 0x766a0abbUL, 0x81c2c92eUL, 0x92722c85UL, + 0xa2bfe8a1UL, 0xa81a664bUL, 0xc24b8b70UL, 0xc76c51a3UL, + 0xd192e819UL, 0xd6990624UL, 0xf40e3585UL, 0x106aa070UL, + 0x19a4c116UL, 0x1e376c08UL, 0x2748774cUL, 0x34b0bcb5UL, + 0x391c0cb3UL, 0x4ed8aa4aUL, 0x5b9cca4fUL, 0x682e6ff3UL, + 0x748f82eeUL, 0x78a5636fUL, 0x84c87814UL, 0x8cc70208UL, + 0x90befffaUL, 0xa4506cebUL, 0xbef9a3f7UL, 0xc67178f2UL, +}; + +/* Round functions. */ +#define F2(A,B,C) ( ( A & B ) | ( C & ( A | B ) ) ) +#define F1(E,F,G) ( G ^ ( E & ( F ^ G ) ) ) + +/* Process LEN bytes of BUFFER, accumulating context into CTX. + It is assumed that LEN % 64 == 0. + Most of this code comes from GnuPG's cipher/sha1.c. */ + +void +sha256_process_block (const void *buffer, size_t len, struct sha256_ctx *ctx) +{ + const uint32_t *words = buffer; + size_t nwords = len / sizeof (uint32_t); + const uint32_t *endp = words + nwords; + uint32_t x[16]; + uint32_t a = ctx->state[0]; + uint32_t b = ctx->state[1]; + uint32_t c = ctx->state[2]; + uint32_t d = ctx->state[3]; + uint32_t e = ctx->state[4]; + uint32_t f = ctx->state[5]; + uint32_t g = ctx->state[6]; + uint32_t h = ctx->state[7]; + uint32_t lolen = len; + + /* First increment the byte count. FIPS PUB 180-2 specifies the possible + length of the file up to 2^64 bits. Here we only compute the + number of bytes. Do a double word increment. */ + ctx->total[0] += lolen; + ctx->total[1] += (len >> 31 >> 1) + (ctx->total[0] < lolen); + +#define rol(x, n) (((x) << (n)) | ((x) >> (32 - (n)))) +#define S0(x) (rol(x,25)^rol(x,14)^(x>>3)) +#define S1(x) (rol(x,15)^rol(x,13)^(x>>10)) +#define SS0(x) (rol(x,30)^rol(x,19)^rol(x,10)) +#define SS1(x) (rol(x,26)^rol(x,21)^rol(x,7)) + +#define M(I) ( tm = S1(x[(I-2)&0x0f]) + x[(I-7)&0x0f] \ + + S0(x[(I-15)&0x0f]) + x[I&0x0f] \ + , x[I&0x0f] = tm ) + +#define R(A,B,C,D,E,F,G,H,K,M) do { t0 = SS0(A) + F2(A,B,C); \ + t1 = H + SS1(E) \ + + F1(E,F,G) \ + + K \ + + M; \ + D += t1; H = t0 + t1; \ + } while(0) + + while (words < endp) + { + uint32_t tm; + uint32_t t0, t1; + int t; + /* FIXME: see sha1.c for a better implementation. */ + for (t = 0; t < 16; t++) + { + x[t] = SWAP (*words); + words++; + } + + R( a, b, c, d, e, f, g, h, K( 0), x[ 0] ); + R( h, a, b, c, d, e, f, g, K( 1), x[ 1] ); + R( g, h, a, b, c, d, e, f, K( 2), x[ 2] ); + R( f, g, h, a, b, c, d, e, K( 3), x[ 3] ); + R( e, f, g, h, a, b, c, d, K( 4), x[ 4] ); + R( d, e, f, g, h, a, b, c, K( 5), x[ 5] ); + R( c, d, e, f, g, h, a, b, K( 6), x[ 6] ); + R( b, c, d, e, f, g, h, a, K( 7), x[ 7] ); + R( a, b, c, d, e, f, g, h, K( 8), x[ 8] ); + R( h, a, b, c, d, e, f, g, K( 9), x[ 9] ); + R( g, h, a, b, c, d, e, f, K(10), x[10] ); + R( f, g, h, a, b, c, d, e, K(11), x[11] ); + R( e, f, g, h, a, b, c, d, K(12), x[12] ); + R( d, e, f, g, h, a, b, c, K(13), x[13] ); + R( c, d, e, f, g, h, a, b, K(14), x[14] ); + R( b, c, d, e, f, g, h, a, K(15), x[15] ); + R( a, b, c, d, e, f, g, h, K(16), M(16) ); + R( h, a, b, c, d, e, f, g, K(17), M(17) ); + R( g, h, a, b, c, d, e, f, K(18), M(18) ); + R( f, g, h, a, b, c, d, e, K(19), M(19) ); + R( e, f, g, h, a, b, c, d, K(20), M(20) ); + R( d, e, f, g, h, a, b, c, K(21), M(21) ); + R( c, d, e, f, g, h, a, b, K(22), M(22) ); + R( b, c, d, e, f, g, h, a, K(23), M(23) ); + R( a, b, c, d, e, f, g, h, K(24), M(24) ); + R( h, a, b, c, d, e, f, g, K(25), M(25) ); + R( g, h, a, b, c, d, e, f, K(26), M(26) ); + R( f, g, h, a, b, c, d, e, K(27), M(27) ); + R( e, f, g, h, a, b, c, d, K(28), M(28) ); + R( d, e, f, g, h, a, b, c, K(29), M(29) ); + R( c, d, e, f, g, h, a, b, K(30), M(30) ); + R( b, c, d, e, f, g, h, a, K(31), M(31) ); + R( a, b, c, d, e, f, g, h, K(32), M(32) ); + R( h, a, b, c, d, e, f, g, K(33), M(33) ); + R( g, h, a, b, c, d, e, f, K(34), M(34) ); + R( f, g, h, a, b, c, d, e, K(35), M(35) ); + R( e, f, g, h, a, b, c, d, K(36), M(36) ); + R( d, e, f, g, h, a, b, c, K(37), M(37) ); + R( c, d, e, f, g, h, a, b, K(38), M(38) ); + R( b, c, d, e, f, g, h, a, K(39), M(39) ); + R( a, b, c, d, e, f, g, h, K(40), M(40) ); + R( h, a, b, c, d, e, f, g, K(41), M(41) ); + R( g, h, a, b, c, d, e, f, K(42), M(42) ); + R( f, g, h, a, b, c, d, e, K(43), M(43) ); + R( e, f, g, h, a, b, c, d, K(44), M(44) ); + R( d, e, f, g, h, a, b, c, K(45), M(45) ); + R( c, d, e, f, g, h, a, b, K(46), M(46) ); + R( b, c, d, e, f, g, h, a, K(47), M(47) ); + R( a, b, c, d, e, f, g, h, K(48), M(48) ); + R( h, a, b, c, d, e, f, g, K(49), M(49) ); + R( g, h, a, b, c, d, e, f, K(50), M(50) ); + R( f, g, h, a, b, c, d, e, K(51), M(51) ); + R( e, f, g, h, a, b, c, d, K(52), M(52) ); + R( d, e, f, g, h, a, b, c, K(53), M(53) ); + R( c, d, e, f, g, h, a, b, K(54), M(54) ); + R( b, c, d, e, f, g, h, a, K(55), M(55) ); + R( a, b, c, d, e, f, g, h, K(56), M(56) ); + R( h, a, b, c, d, e, f, g, K(57), M(57) ); + R( g, h, a, b, c, d, e, f, K(58), M(58) ); + R( f, g, h, a, b, c, d, e, K(59), M(59) ); + R( e, f, g, h, a, b, c, d, K(60), M(60) ); + R( d, e, f, g, h, a, b, c, K(61), M(61) ); + R( c, d, e, f, g, h, a, b, K(62), M(62) ); + R( b, c, d, e, f, g, h, a, K(63), M(63) ); + + a = ctx->state[0] += a; + b = ctx->state[1] += b; + c = ctx->state[2] += c; + d = ctx->state[3] += d; + e = ctx->state[4] += e; + f = ctx->state[5] += f; + g = ctx->state[6] += g; + h = ctx->state[7] += h; + } +} + +#endif + +/* + * Hey Emacs! + * Local Variables: + * coding: utf-8 + * End: + */ diff --git a/gl/sha256.h b/gl/sha256.h new file mode 100644 index 00000000..533173a5 --- /dev/null +++ b/gl/sha256.h @@ -0,0 +1,121 @@ +/* Declarations of functions and data types used for SHA256 and SHA224 sum + library functions. + Copyright (C) 2005-2006, 2008-2022 Free Software Foundation, Inc. + + This file is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. + + This file is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program. If not, see . */ + +#ifndef SHA256_H +# define SHA256_H 1 + +# include +# include + +# if HAVE_OPENSSL_SHA256 +# ifndef OPENSSL_API_COMPAT +# define OPENSSL_API_COMPAT 0x10101000L /* FIXME: Use OpenSSL 1.1+ API. */ +# endif +# include +# endif + +# ifdef __cplusplus +extern "C" { +# endif + +enum { SHA224_DIGEST_SIZE = 224 / 8 }; +enum { SHA256_DIGEST_SIZE = 256 / 8 }; + +# if HAVE_OPENSSL_SHA256 +# define GL_OPENSSL_NAME 224 +# include "gl_openssl.h" +# define GL_OPENSSL_NAME 256 +# include "gl_openssl.h" +# else +/* Structure to save state of computation between the single steps. */ +struct sha256_ctx +{ + uint32_t state[8]; + + uint32_t total[2]; + size_t buflen; /* ≥ 0, ≤ 128 */ + uint32_t buffer[32]; /* 128 bytes; the first buflen bytes are in use */ +}; + +/* Initialize structure containing state of computation. */ +extern void sha256_init_ctx (struct sha256_ctx *ctx); +extern void sha224_init_ctx (struct sha256_ctx *ctx); + +/* Starting with the result of former calls of this function (or the + initialization function update the context for the next LEN bytes + starting at BUFFER. + It is necessary that LEN is a multiple of 64!!! */ +extern void sha256_process_block (const void *buffer, size_t len, + struct sha256_ctx *ctx); + +/* Starting with the result of former calls of this function (or the + initialization function update the context for the next LEN bytes + starting at BUFFER. + It is NOT required that LEN is a multiple of 64. */ +extern void sha256_process_bytes (const void *buffer, size_t len, + struct sha256_ctx *ctx); + +/* Process the remaining bytes in the buffer and put result from CTX + in first 32 (28) bytes following RESBUF. The result is always in little + endian byte order, so that a byte-wise output yields to the wanted + ASCII representation of the message digest. */ +extern void *sha256_finish_ctx (struct sha256_ctx *ctx, void *restrict resbuf); +extern void *sha224_finish_ctx (struct sha256_ctx *ctx, void *restrict resbuf); + + +/* Put result from CTX in first 32 (28) bytes following RESBUF. The result is + always in little endian byte order, so that a byte-wise output yields + to the wanted ASCII representation of the message digest. */ +extern void *sha256_read_ctx (const struct sha256_ctx *ctx, + void *restrict resbuf); +extern void *sha224_read_ctx (const struct sha256_ctx *ctx, + void *restrict resbuf); + + +/* Compute SHA256 (SHA224) message digest for LEN bytes beginning at BUFFER. + The result is always in little endian byte order, so that a byte-wise + output yields to the wanted ASCII representation of the message + digest. */ +extern void *sha256_buffer (const char *buffer, size_t len, + void *restrict resblock); +extern void *sha224_buffer (const char *buffer, size_t len, + void *restrict resblock); + +# endif + +/* Compute SHA256 (SHA224) message digest for bytes read from STREAM. + STREAM is an open file stream. Regular files are handled more efficiently. + The contents of STREAM from its current position to its end will be read. + The case that the last operation on STREAM was an 'ungetc' is not supported. + The resulting message digest number will be written into the 32 (28) bytes + beginning at RESBLOCK. */ +extern int sha256_stream (FILE *stream, void *resblock); +extern int sha224_stream (FILE *stream, void *resblock); + + +# ifdef __cplusplus +} +# endif + +#endif + +/* + * Hey Emacs! + * Local Variables: + * coding: utf-8 + * End: + */ diff --git a/gl/stdbool.in.h b/gl/stdbool.in.h index 2fa46724..36f26560 100644 --- a/gl/stdbool.in.h +++ b/gl/stdbool.in.h @@ -59,8 +59,10 @@ /* 7.16. Boolean type and values */ #ifdef __cplusplus -# define _Bool bool -# define bool bool +# if !defined _MSC_VER +# define _Bool bool +# define bool bool +# endif #else # if !defined __GNUC__ /* If @HAVE__BOOL@: @@ -103,8 +105,10 @@ typedef enum { _Bool_must_promote_to_int = -1, false = 0, true = 1 } _Bool; /* The other macros must be usable in preprocessor directives. */ #ifdef __cplusplus -# define false false -# define true true +# if !defined _MSC_VER +# define false false +# define true true +# endif #else # define false 0 # define true 1 diff --git a/gl/stdlib.in.h b/gl/stdlib.in.h index a86643c3..8e0a609f 100644 --- a/gl/stdlib.in.h +++ b/gl/stdlib.in.h @@ -226,7 +226,7 @@ _GL_FUNCDECL_SYS (aligned_alloc, void *, _GL_CXXALIAS_SYS (aligned_alloc, void *, (size_t alignment, size_t size)); # endif # endif -# if @HAVE_ALIGNED_ALLOC@ +# if (__GLIBC__ >= 2) && @HAVE_ALIGNED_ALLOC@ _GL_CXXALIASWARN (aligned_alloc); # endif #else @@ -1363,7 +1363,9 @@ _GL_CXXALIAS_SYS (strtol, long, (const char *restrict string, char **restrict endptr, int base)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (strtol); +# endif #elif defined GNULIB_POSIXCHECK # undef strtol # if HAVE_RAW_DECL_STRTOL @@ -1444,7 +1446,9 @@ _GL_CXXALIAS_SYS (strtoul, unsigned long, (const char *restrict string, char **restrict endptr, int base)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (strtoul); +# endif #elif defined GNULIB_POSIXCHECK # undef strtoul # if HAVE_RAW_DECL_STRTOUL diff --git a/gl/sys/stat.h b/gl/sys/stat.h index 81203838..68584420 100644 --- a/gl/sys/stat.h +++ b/gl/sys/stat.h @@ -1103,44 +1103,6 @@ _GL_WARN_ON_USE (lchmod, "lchmod is unportable - " #endif -#if 0 -# if ! 1 -/* mingw does not support symlinks, therefore it does not have lstat. But - without links, stat does just fine. */ -# if !(defined __cplusplus && defined GNULIB_NAMESPACE) -# define lstat stat -# endif -_GL_CXXALIAS_RPL_1 (lstat, stat, int, - (const char *restrict name, struct stat *restrict buf)); -# elif 0 -# if !(defined __cplusplus && defined GNULIB_NAMESPACE) -# undef lstat -# define lstat rpl_lstat -# endif -_GL_FUNCDECL_RPL (lstat, int, - (const char *restrict name, struct stat *restrict buf) - _GL_ARG_NONNULL ((1, 2))); -_GL_CXXALIAS_RPL (lstat, int, - (const char *restrict name, struct stat *restrict buf)); -# else -_GL_CXXALIAS_SYS (lstat, int, - (const char *restrict name, struct stat *restrict buf)); -# endif -# if 1 -_GL_CXXALIASWARN (lstat); -# endif -#elif 0 -# undef lstat -# define lstat lstat_used_without_requesting_gnulib_module_lstat -#elif defined GNULIB_POSIXCHECK -# undef lstat -# if HAVE_RAW_DECL_LSTAT -_GL_WARN_ON_USE (lstat, "lstat is unportable - " - "use gnulib module lstat for portability"); -# endif -#endif - - #if 0 # if 0 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) @@ -1402,6 +1364,44 @@ _GL_WARN_ON_USE (stat, "stat is unportable - " #endif +#if 0 +# if ! 1 +/* mingw does not support symlinks, therefore it does not have lstat. But + without links, stat does just fine. */ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define lstat stat +# endif +_GL_CXXALIAS_RPL_1 (lstat, stat, int, + (const char *restrict name, struct stat *restrict buf)); +# elif 0 +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef lstat +# define lstat rpl_lstat +# endif +_GL_FUNCDECL_RPL (lstat, int, + (const char *restrict name, struct stat *restrict buf) + _GL_ARG_NONNULL ((1, 2))); +_GL_CXXALIAS_RPL (lstat, int, + (const char *restrict name, struct stat *restrict buf)); +# else +_GL_CXXALIAS_SYS (lstat, int, + (const char *restrict name, struct stat *restrict buf)); +# endif +# if 1 +_GL_CXXALIASWARN (lstat); +# endif +#elif 0 +# undef lstat +# define lstat lstat_used_without_requesting_gnulib_module_lstat +#elif defined GNULIB_POSIXCHECK +# undef lstat +# if HAVE_RAW_DECL_LSTAT +_GL_WARN_ON_USE (lstat, "lstat is unportable - " + "use gnulib module lstat for portability"); +# endif +#endif + + #if 1 /* On native Windows, map 'umask' to '_umask', so that -loldnames is not required. In C++ with GNULIB_NAMESPACE, avoid differences between diff --git a/gl/sys_stat.in.h b/gl/sys_stat.in.h index 714c3cb1..0ec320f5 100644 --- a/gl/sys_stat.in.h +++ b/gl/sys_stat.in.h @@ -596,44 +596,6 @@ _GL_WARN_ON_USE (lchmod, "lchmod is unportable - " #endif -#if @GNULIB_LSTAT@ -# if ! @HAVE_LSTAT@ -/* mingw does not support symlinks, therefore it does not have lstat. But - without links, stat does just fine. */ -# if !(defined __cplusplus && defined GNULIB_NAMESPACE) -# define lstat stat -# endif -_GL_CXXALIAS_RPL_1 (lstat, stat, int, - (const char *restrict name, struct stat *restrict buf)); -# elif @REPLACE_LSTAT@ -# if !(defined __cplusplus && defined GNULIB_NAMESPACE) -# undef lstat -# define lstat rpl_lstat -# endif -_GL_FUNCDECL_RPL (lstat, int, - (const char *restrict name, struct stat *restrict buf) - _GL_ARG_NONNULL ((1, 2))); -_GL_CXXALIAS_RPL (lstat, int, - (const char *restrict name, struct stat *restrict buf)); -# else -_GL_CXXALIAS_SYS (lstat, int, - (const char *restrict name, struct stat *restrict buf)); -# endif -# if @HAVE_LSTAT@ -_GL_CXXALIASWARN (lstat); -# endif -#elif @GNULIB_OVERRIDES_STRUCT_STAT@ -# undef lstat -# define lstat lstat_used_without_requesting_gnulib_module_lstat -#elif defined GNULIB_POSIXCHECK -# undef lstat -# if HAVE_RAW_DECL_LSTAT -_GL_WARN_ON_USE (lstat, "lstat is unportable - " - "use gnulib module lstat for portability"); -# endif -#endif - - #if @GNULIB_MKDIR@ # if @REPLACE_MKDIR@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) @@ -895,6 +857,44 @@ _GL_WARN_ON_USE (stat, "stat is unportable - " #endif +#if @GNULIB_LSTAT@ +# if ! @HAVE_LSTAT@ +/* mingw does not support symlinks, therefore it does not have lstat. But + without links, stat does just fine. */ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define lstat stat +# endif +_GL_CXXALIAS_RPL_1 (lstat, stat, int, + (const char *restrict name, struct stat *restrict buf)); +# elif @REPLACE_LSTAT@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef lstat +# define lstat rpl_lstat +# endif +_GL_FUNCDECL_RPL (lstat, int, + (const char *restrict name, struct stat *restrict buf) + _GL_ARG_NONNULL ((1, 2))); +_GL_CXXALIAS_RPL (lstat, int, + (const char *restrict name, struct stat *restrict buf)); +# else +_GL_CXXALIAS_SYS (lstat, int, + (const char *restrict name, struct stat *restrict buf)); +# endif +# if @HAVE_LSTAT@ +_GL_CXXALIASWARN (lstat); +# endif +#elif @GNULIB_OVERRIDES_STRUCT_STAT@ +# undef lstat +# define lstat lstat_used_without_requesting_gnulib_module_lstat +#elif defined GNULIB_POSIXCHECK +# undef lstat +# if HAVE_RAW_DECL_LSTAT +_GL_WARN_ON_USE (lstat, "lstat is unportable - " + "use gnulib module lstat for portability"); +# endif +#endif + + #if @GNULIB_MDA_UMASK@ /* On native Windows, map 'umask' to '_umask', so that -loldnames is not required. In C++ with GNULIB_NAMESPACE, avoid differences between diff --git a/gl/unistd.in.h b/gl/unistd.in.h index 57df09ec..ef3e68fc 100644 --- a/gl/unistd.in.h +++ b/gl/unistd.in.h @@ -1143,7 +1143,9 @@ _GL_FUNCDECL_SYS (getdomainname, int, (char *name, size_t len) # endif _GL_CXXALIAS_SYS (getdomainname, int, (char *name, size_t len)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (getdomainname); +# endif #elif defined GNULIB_POSIXCHECK # undef getdomainname # if HAVE_RAW_DECL_GETDOMAINNAME -- cgit v1.2.3-74-g34f1